Sectionalized automatic switching system

Claim 1

A TELEPHONE OR LIKE SWITCHING SYSTEM EMPLOYING COORDINATE SWITCHING ARRAYS FOR ESTABLISHING CONNECTION BETWEEN LINES SERVED BY THE SYSTEM, SAID SYSTEM COMPRISING: A FIRST CO-ORDINATE SWITCHING RANK TO WHICH SAID LINES ARE CONNECTED; A NUMBER OF SEPARATE SWITCHING SECTIONS EACH OF WHICH COMPRISES AT LEAST ONE FURTHER CO-ORDINATE SWITCHING RANK, THE SWITCHING RANKS OF THE SEVERAL SECTIONS BEING MUTUALLY SEPARATE AS BETWEEN ONE SECTION AND ANOTHER; CONNECTIONS FROM SAID FIRST SWITCHING RANK TO ONE SIDE OF THE SEVERAL SECTIONS, EACH LINE HAVING ACCESS TO THAT SIDE OF PLURALITY OF SAID SWITCHING SECTIONS VIA SAID FIRST SWITCHING RANK AND SAID CONNECTIONS; A PLURALITY OF LINKS INTERCONNECTING THE SWITCHING SECTIONS EXTERNALLY AT THE OTHER SIDE THEREOF; SAID SWITCHING RANKS AND LINKS CONNECTED IN AN OVERALL ORGANIZATION INCLUDING BETWEEN ANY TWO OF SAID LINES, A PLURALITY OF POSSIBLE COMMUNICATION PATHS EACH EX TENDING FROM ONE OF SAID TWO LINES THROUGH THE FIRST SWITCHING RANK AND ONE OF SAID SECTIONS TO ONE OF SAID LINKS AND FROM SAID LINK THROUGH ANOTHER SECTION AND THE FIRST SWITCHING RANK TO THE OTHER OF THE TWO LINES; THE SYSTEM ALSO INCLUDING A SECTION SELECTION ARRANGEMENT INCLUDING MEANS OPERABLE IN RESPECT OF A CALL BETWEEN ANY TWO LINES FOR ASCERTAINING CONDITIONS PERTINENT TO THE ESTABLISHMENT OF THE CALL IN THE SEVERAL SECTIONS AND FOR SELECTING FOR THE ESTABLISHMENT OF THE CALL, IN DEPENDENCE WITH THE ASCERTAINED CONDITIONS, SUCH ONE OF HTE POSSIBLE COMMUNICATION PATHS AS INCLUDES THE SECTIONS AND LINK THAT CAN BEST TAKE THE CALL HAVING REGARD TO THESE CONDITIONS.